When Someone discriminates against someone who has ginger hair, or drinks ginger beer/ale to the extreme. Cases have been known where gingers have been placed in a ring, and have a shouting contest at each other. This is known as Ginge-bating. Being called Ginger can also be seen as an insult, and is usually shouted to someone who is not ginger.
"Hey! He's got Ginger pubes!!!" is a good example of Ginger-ism
A pop up that annoys the hell out of everyone, more so than a normal pop up as it says 'this page can not be displyed'.
"god dammit!!! another plop up!!!!